Altogether, there are __________ stages of sleep

Your roommate sleeps quite a bit during the late afternoon. According to research (Brown et al., 2002), college students are more than twice as likely as other adults to report ____

a. taking naps b. delayed sleep phase syndrome c. insomnia d. serious night terrors

Research has shown that men tend to talk to each other about ___________

a) private concerns b) their feelings c) relationships d) current events